Inter control discostat 3 phase thermal cut out manual reset 120 c 16a 230v inter control 162001 005d12 the b discostat b thermal cut out is a 3 phase manual reset device that utilises a bi metallic disc as the temperature sensing element because the disc is pressed directly against the mounting plate of the thermal cut out there is a swift reaction to changes in temperature and as soon as the preset temperature is reached the disc operates and simultaneously opens all 3 electrical cont